sinitax/cachepc-linux - Fork of AMDESE/linux with modifications for CachePC side-channel attack

	Commit message (Collapse)	Author	Age	Files	Lines
*	ARC: allow userspace DSP applications to use AGU extensions	Eugeniy Paltsev	2020-03-16	1	-0/+5
\| \| \| \| \| \| \| \| \| \| \| \| \|	To be able to run DSP-enabled userspace applications with AGU (address generation unit) extensions we additionally need to save and restore following registers at context switch: * AGU_AP* * AGU_OS* * AGU_MOD* Reviewed-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
*	ARC: add support for DSP-enabled userspace applications	Eugeniy Paltsev	2020-03-16	1	-0/+24
	To be able to run DSP-enabled userspace applications we need to save and restore following DSP-related registers: At IRQ/exception entry/exit: * DSP_CTRL (save it and reset to value suitable for kernel) * ACC0_LO, ACC0_HI (we already save them as r58, r59 pair) At context switch: * ACC0_GLO, ACC0_GHI * DSP_BFLY0, DSP_FFT_CTRL Reviewed-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>